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All Journal Jurnal Dinamika Penelitian Industri Scientica: Jurnal Ilmiah Sains dan Teknologi
Abu Hasan
Politeknik Negeri Sriwijaya, Indonesia
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KARAKTERISTIK PEMATANGAN DAN SIFAT MEKANIK KARET BANTALAN KAKI SEPEDA MOTOR DENGAN BAHAN PENGISI PASIR KUARSA Rahmaniar Rahmaniar; Indri Hermiyati Hermiyati; Abu Hasan; Sukma Surya Kusumah; Nasruddin Nasruddin
Jurnal Dinamika Penelitian Industri Vol 31, No 1 (2020): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28959/jdpi.v31i1.6008

Abstract

Penelitian tentang karakteristik pematangan dan sifat mekanik karet alam dengan pengisi pasir kuarsa untuk bantalan kaki sepeda motor telah dilakukan. Parameter mekanik bantalan kaki sepeda motor mengacu pada SNI 06-7032-2004. Pasir kuarsa sebagai pengisi dengan ukuran butir 100 mesh, untuk setiap perlakuan dengan perbandingan 60 phr, 65 phr, 70 phr dan 75 phr. Aktivator, koaktivator, pelunak, dan belerang dikondisikan. Hasil pengujian pematangan kompon untuk formula P1 dengan rasio pasir kuarsa 50 phr sebagai formula terbaik menghasilkan Smax = 4,62 kg/cm,Smin = 0,14 kg/cm, DS = 4,48 kg/cm, t90 = 5,28 min dan ts2 = 4,04 min. Hasil pengujian sifat mekanik nilai  kekerasan yaitu 57 Shore A, tegangan putus yaitu 188 kg/cm2 dan perpanjangan putus yaitu 560%.Hasilnya menunjukkan bahwa karet vulkanisir untuk rubber step sepeda motor sesuai dengan SNI 06-7032-2004.
Pengaruh Penambahan Filler dari Selulosa Tongkol Jagung dan Zink Oksida Pada Plastik Biodegradable Endah Rahma Danni; Abu Hasan; Robert Junaidi
Scientica: Jurnal Ilmiah Sains dan Teknologi Vol. 1 No. 3 (2023): Scientica: Jurnal Ilmiah Sains dan Teknologi
Publisher : Komunitas Menulis dan Meneliti (Kolibi)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.572349/scientica.v1i3.389

Abstract

The main objective of this research is to obtain the optimum composition of bioplastics from the main ingredients of starch, cassava husks and corncobs. In this research, cassava peel starch will be used as the basic ingredient, glycerol as a plasticizer, as well as the addition of PVA, cellulose and ZnO with different concentration variations, namely 0.4; 0.8; 1,2; 1.6 g. The manufacture of biodegradable plastic will be carried out using the melt intercalation method or phase inversion technique, namely the evaporation of the solution after the printing process on the glass plate. Then biodegradation and mechanical properties of bioplastics were tested. The results of this study obtained the optimum composition in sample D3 with the most variations in the addition of cellulose with the highest tensile strength test value of 6.008 MPa, 12% Elongation Test, 48.07% Young's Modulus, 91.6% water resistance and Estimated degradation time of 27- 34 days.
Co-Authors Endah Rahma Danni Hermiyati, Indri Nasruddin Nasruddin Rahmaniar Rahmaniar Robert Junaidi Sukma Surya Kusumah